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Camera

• Resolution: 640х480 pixels.
• Correct operation is not guaranteed with fish-eye lenses
• Fps: not less than 2 (recommended: 4 or more)

Lighting

• The objects must be visually separated from the background and from each other

Scene and camera angle

• The camera shall be installed at an angle at a height of at least 3 meters, or on the ceiling, or facing strictly down (for counting visitors)

Objects image

• Minimal object size (the area of a rectangular track): at least 10% of the frame area

• .